Seedling Block with Tapered Seed Pit for Automated Sowing
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Solution Overview
Problem
Current sponge blocks used in hydroponic vegetable sowing have flat tops, leading to low sowing efficiency and difficulty in mechanized operation due to seed rolling and scattering, which complicates the process and reduces germination rate and uniformity.
Innovation Solution
A nursery block with a seed placement pit having a larger top and smaller bottom, featuring a seed cultivation pit with a radial notch for root growth, made of water-absorbing and elastic materials, facilitating automatic seed placement and uniform germination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a flat-top sponge block is used for sowing, then the structure is simple and easy to manufacture, but seeds roll and scatter after sowing, requiring manual pressing and reducing sowing efficiency
Solution Approach 1:
The block top surface is segmented into multiple seed placement pits, each pit further divided into a placement cavity and a cultivation cavity. This segmentation prevents seeds from rolling away while maintaining an organized structure that facilitates automated sowing operations.
Solution Approach 2:
The seed placement pits are pre-formed in the block before sowing, with the cavity structure already designed to receive and retain seeds. This preliminary preparation eliminates the need for manual pressing during sowing, as seeds automatically settle into the pre-configured pits.
2Extent of automation
If seeds are manually pressed into flat sponge blocks, then seeds can be in full contact with the block, but the process is labor-intensive and difficult to mechanize
Solution Approach 1:
The seed placement pits are pre-formed in the block before sowing, with the cavity structure already designed to receive and retain seeds. This preliminary preparation eliminates the need for manual pressing during sowing, as seeds automatically settle into the pre-configured pits.
Solution Approach 2:
The cavity structure itself provides the pressing function - when seeds are placed in the pits, they automatically settle to the bottom due to gravity, achieving full contact with the block without external pressing force. The structure serves the dual function of holding seeds and providing contact pressure.
3Manufacturing precision
If seeds are placed on a flat surface, then placement is simple, but seeds roll and scatter, reducing germination uniformity
Solution Approach 1:
The block top surface is segmented into multiple seed placement pits, each pit further divided into a placement cavity and a cultivation cavity. This segmentation prevents seeds from rolling away while maintaining an organized structure that facilitates automated sowing operations.
Solution Approach 2:
Different parts of the block have different functions: the placement cavity provides a larger opening for easy seed placement, while the cultivation cavity provides a confined space for uniform germination. This local differentiation of qualities improves both placement ease and germination precision.
4Reliability
If seeds are not stabilized in the block, then the block structure remains simple, but germination rate and uniformity are reduced
Solution Approach 1:
The block top surface is segmented into multiple seed placement pits, each pit further divided into a placement cavity and a cultivation cavity. This segmentation prevents seeds from rolling away while maintaining an organized structure that facilitates automated sowing operations.
Solution Approach 2:
Different parts of the block have different functions: the placement cavity provides a larger opening for easy seed placement, while the cultivation cavity provides a confined space for uniform germination. This local differentiation of qualities improves both placement ease and germination precision.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Improves sowing efficiency, stabilizes seeds, and enhances germination rate and uniformity, making mechanized sowing more efficient and standardized.
Implementation Method 1
the seed placement pit is of a structure having a top larger than a bottom so that the seeds fall into the seed cultivation pit along the surface of the seed placement pit under the action of gravity
Implementation Method 2
the nutritive block is made of a water-absorbing material
Data Source
Figure 1~2
Figure 3~4
Figure 5
AI summary
The present invention provides a nursery block, including a nutritive block for providing nutrients to seeds. The top of the nutritive block is provided with a seed placement pit. The seed placement pit is internally provided with a seed cultivation pit. The seed placement pit is of a structure with a big top and a small bottom so that the seeds fall into the seed cultivation pit along the surface of the seed placement pit under the action of gravity. The seed cultivation pit is internally provided with a notch which extends in a direction away from the seed cultivation pit and provides growth paths for root systems of the seeds. The present invention can improve the sowing efficiency, stabilize and moisten seeds and improve the overall germination rate and germination uniformity of the seeds, and is convenient for mechanized sowing.